diff --git a/doc/doc_requirements.txt b/doc/doc_requirements.txt
index 23186a2..3ebafb7 100644
--- a/doc/doc_requirements.txt
+++ b/doc/doc_requirements.txt
@@ -1,6 +1,6 @@
 alabaster==0.7.12
 Babel==2.9.1
-certifi==2019.6.16
+certifi==2024.7.4
 chardet==3.0.4
 docutils==0.15.2
 idna==2.8